Troubleshooting And Error Codes; Ow To Resolve Possible Problems - Alfa A780 Manuel D'instructions

10.
10.1. How to resolve possible problems
PROBLEM
The machine does
function
The brushes do not turn
The machine does
clean evenly
No solution is delivered
The solution flow does not
stop
The flow of solution is
interrupted during
operation
The suction motor does
not start.
The squeegee does not
clean or suction
ineffective
The machine does
move

TROUBLESHOOTING AND ERROR CODES

CAUSE
not the batteries are disconnected
the batteries are flat
The emergency button is pressed
(fig. A ref. 10)
the brush button has not been
pressed
The collection tank is full
the brush motor fuse has blown
the batteries are flat
motor malfunction
not the brushes or abrasive disks are
worn
(fig. H ref. 2)
The tap
the filter is closed
the solution tank is empty
the hose delivering the solution to
the brush is blocked
Dirty solenoid valve
Faulty solenoid valve
Solenoid valve wiring
Dirty solenoid valve
Faulty solenoid valve
Solenoid valve wiring
The suction switch
has not been activated
there is no power to the suction
motor or motor malfunction
the fuse is blown.
Collection tank full
the edge of the rubber blades in
is contact with the floor is worn
the squeegee or hose is blocked or
damaged
the float switch
(collection tank full), is blocked with
dirt or is faulty
the suction hose is blocked
the hose is not connected to the
squeegee or is damaged
there is no power to the suction
motor or motor malfunction
not the batteries are flat
Problem with the motor drive
The emergency button is pressed
(fig. A ref. 10)
connect
machine
recharge the batteries
Press the emergency button
ref. 2)
press the brush button
Empty the collection tank
check and remove the causes of
the blown fuse, then replace
recharge the batteries
have the motor replaced
replace
Open the tap
upstream of
Fill it.
remove the obstruction to open the
hose
Check the solenoid valve
Replace the solenoid valve
Check the solenoid valve wiring
Check the solenoid valve
Replace the solenoid valve
Check the solenoid valve wiring
(fig. A ref. 9)
activate the suction switch
ref. 9)
make sure the motor power supply
connector is correctly connected to
the main wiring. In the latter case,
have the motor replaced
replace the fuse.
Empty the collection tank
replace the rubber blade
remove the obstruction and repair
the damage
has tripped empty the collection tank or repair
the float
unblock the hose
connect or repair the hose
make sure the motor power supply
connector is correctly connected to
the main wiring and that the fuse is
not blown. In the latter case, have
the motor replaced.
recharge the batteries
verify
paragraph 10.3)
Press the emergency button
SOLUTION
the batteries to
(fig. H
(fig. A
the alarm code (see
ENGLISH
23
the